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$128+ Cheap flights from Philadelphia (PHL) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — HOU
Aug 8 — Aug 151
Sat 8/8
Sat 8/15
1 adult, Economy
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Cheap flight deals from Philadelphia to Houston

Cheapest flights from Philadelphia to Houston
Explore the most affordable flight options available from Philadelphia to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/196:00 am
PHL
-
IAH
1 stop7h 19m
Frontier
Thu 8/68:55 am
IAH
-
PHL
1 stop9h 25m
Frontier
Deal found 7/3$273
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:25 am
PHL
-
HOU
1 stop9h 20m
Southwest
Sun 8/2312:55 pm
HOU
-
PHL
1 stop7h 55m
Southwest
Deal found 7/7$273
This Kiwi.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:32 pm
PHL
-
IAH
1 stop18h 48m
Frontier
Wed 7/228:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/6$274
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm
PHL
-
HOU
1 stop5h 15m
Southwest
Mon 11/237:20 am
HOU
-
PHL
2 stops8h 20m
Southwest
Deal found 7/6$274
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:00 am
PHL
-
IAH
Nonstop3h 41m
Frontier
Sun 7/1210:09 pm
IAH
-
PHL
1 stop12h 40m
Frontier
Deal found 7/4$275
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:05 pm
PHL
-
HOU
2 stops7h 30m
Southwest
Mon 8/104:05 pm
HOU
-
PHL
1 stop5h 10m
Southwest
Deal found 7/8$275
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:30 pm
PHL
-
IAH
1 stop7h 09m
Frontier
Mon 7/278:02 pm
IAH
-
PHL
1 stop10h 13m
Frontier
Deal found 7/8$276
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/104:40 pm
PHL
-
IAH
1 stop6h 49m
Frontier
Fri 9/117:44 pm
IAH
-
PHL
1 stop8h 52m
Frontier
Deal found 7/4$277
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:30 pm
PHL
-
IAH
1 stop6h 59m
Frontier
Mon 9/73:25 pm
IAH
-
PHL
1 stop7h 34m
Frontier
Deal found 7/4$278
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:50 pm
PHL
-
IAH
Nonstop3h 50m
American Airlines
Sat 8/157:15 am
IAH
-
PHL
Nonstop3h 24m
American Airlines
Deal found 7/8$279
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:00 am
PHL
-
HOU
1 stop9h 55m
Southwest
Wed 8/510:35 am
HOU
-
PHL
1 stop10h 15m
Southwest
Deal found 7/7$279
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/214:30 pm
PHL
-
IAH
1 stop15h 50m
Frontier
Thu 8/278:11 pm
IAH
-
PHL
2 stops23h 17m
Frontier
Deal found 7/7$280

Find flight deals from Philadelphia to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 9, 2026.

Round-trip from

$273
(Kiwi.com)

One-way from

$128
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$319
From Philadelphia to Houston
Search Deals
One-way flight from Philadelphia to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2026.
Use the filters below to find and compare flights from Philadelphia to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Wed 8/5

3:05 pm-9:35 pm

2 stops7h 30m

Houston Hobby

Wed 8/12

6:00 am-2:20 pm

2 stops7h 20m

$284

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Fri 10/16

8:15 pm-12:20 am

1 stop5h 05m

Houston Hobby

Thu 10/22

6:15 am-4:30 pm

1 stop9h 15m

$287

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 8/22

1:30 pm-7:10 pm

1 stop6h 40m

Houston George Bush Intcntl

Tue 8/25

7:30 am-11:58 am

Nonstop3h 28m

$289

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 12/5

5:30 am-11:06 am

1 stop6h 36m

Houston George Bush Intcntl

Tue 12/8

5:55 am-1:03 pm

1 stop6h 08m

$299

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Tue 10/27

10:34 am-4:33 pm

1 stop6h 59m

Houston Hobby

Sat 10/31

6:00 am-12:53 pm

1 stop5h 53m

$299

PhiladelphiaHouston

PHL - HOU

PHLHOU

Philadelphia

Sat 8/22

6:30 am-2:35 pm

1 stop9h 05m

Houston Hobby

Sat 8/29

7:00 am-2:40 pm

1 stop6h 40m

$299
Quickest round-trip

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Thu 7/30

6:15 am-8:44 am

Nonstop3h 29m

Houston George Bush Intcntl

Sat 8/22

7:30 am-11:58 am

Nonstop3h 28m

$309

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Sat 8/15

9:00 am-3:55 pm

1 stop7h 55m

Houston George Bush Intcntl

Sun 8/16

5:41 am-1:26 pm

1 stop6h 45m

$315

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Mon 12/28

7:29 pm-11:58 pm

1 stop5h 29m

Houston George Bush Intcntl

Mon 1/4

11:50 am-8:37 pm

1 stop7h 47m

$329

PhiladelphiaHouston

PHL - IAH

PHLIAH

Philadelphia

Wed 12/16

12:09 pm-4:35 pm

1 stop5h 26m

Houston George Bush Intcntl

Sun 12/20

9:40 am-6:19 pm

1 stop7h 39m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/4

Showing 1-10 of 41 resultsSorted by cheapest first
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Best time to book a flight from Philadelphia to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Houston

What is the cheapest month to book a flight from Philadelphia to Houston?

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $55). Flying from Philadelphia to Houston in February is currently the most expensive (average of $579). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHL to HOU?

Find hourly flight availability from Philadelphia to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 9, 2026.

One of the essential ways to save on airfare from Philadelphia to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 3% on airfare.

How much does it cost to fly round-trip from Philadelphia to Houston?

How far ahead should I book a flight from Philadelphia to Houston?

The best time to book flights from Philadelphia to Houston is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Philadelphia to Houston?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Houston. Price data was last updated on October 5, 2025.

Travelers seeking maximum savings on their Philadelphia to Houston flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Philadelphia to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Houston trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated July 9, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Philadelphia to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,248 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

7.9

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
7.9
Good
4,248 reviews
Southwest
7.9
Good
4,248 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

7.9

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.8
Good
8,453 reviews
Southwest
7.9
Good
4,248 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

7.9

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,955 reviews
Southwest
7.9
Good
4,248 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

7.9

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.1
Good
11,789 reviews
Southwest
7.9
Good
4,248 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

7.9

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.6
Fair
2,835 reviews
Southwest
7.9
Good
4,248 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

7.9

Food

7.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Houston?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Houston. 6 airlines have flights from Philadelphia to Houston on a regular basis. Booking flights from Philadelphia to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

  • How long is the flight from Philadelphia to Houston?

    A quick flight from Philadelphia to Houston can take about 6h 36m. Southwest provides one of the quickest options available for as low as $299. The distance from Philadelphia to Houston is about 1322 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Philadelphia to Houston round-trip?

    Flying on Frontier is currently your cheapest option to Houston, with prices starting at $125. Additional round-trip tickets that might be worth considering are offered by JetBlue and Southwest, with the lowest prices starting at $200 and $210, respectively. These flights start at 63% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Philadelphia to Houston one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $71. Users have also found prices from $75 and $104 on JetBlue and Southwest, respectively.

  • Can I find deals for flights from Philadelphia to Houston that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Houston.

  • Can I find deals for business class flights from Philadelphia to Houston?

    Yes. Cheapflights offers flight deals from Philadelphia to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Houston?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $55). Flying from Philadelphia to Houston in February is currently the most expensive (average of $579). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Philadelphia to Houston

Discover the top 6 airlines that operate flights from Philadelphia to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$125Average$227FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$200Average$336FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$210Average$314FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$232Average$377FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$232Average$363FlexibilityNo cancel feeOn-time71%
DeltaCheapest$238Average$330FlexibilityNo cancel feeOn-timeN/A

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